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Broadband Superabsorber Operating at 1500 °C Using Dielectric Bilayers.
- Source :
-
ACS applied optical materials [ACS Appl Opt Mater] 2023 Sep 08; Vol. 1 (9), pp. 1615-1619. Date of Electronic Publication: 2023 Sep 08 (Print Publication: 2023). - Publication Year :
- 2023
-
Abstract
- Many technological applications in photonics require devices to function reliably under extreme conditions, including high temperatures. To this end, materials and structures with thermally stable optical properties are indispensable. State-of-the-art thermal photonic devices based on nanostructures suffer from severe surface diffusion-induced degradation, and the operational temperatures are often restricted. Here, we report on a thermo-optically stable superabsorber composed of bilayer refractory dielectric materials. The device features an average absorptivity ∼95% over >500 nm bandwidth in the near-infrared regime, with minimal temperature dependence up to 1500 °C. Our results demonstrate an alternative pathway to achieve high-temperature thermo-optically stable photonic devices.<br />Competing Interests: The authors declare no competing financial interest.<br /> (© 2023 The Authors. Published by American Chemical Society.)
Details
- Language :
- English
- ISSN :
- 2771-9855
- Volume :
- 1
- Issue :
- 9
- Database :
- MEDLINE
- Journal :
- ACS applied optical materials
- Publication Type :
- Academic Journal
- Accession number :
- 37772200
- Full Text :
- https://doi.org/10.1021/acsaom.3c00229